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// Copyright (c) 2018 Teddy Wing
//
// This file is part of DomeKey.
//
// *Purchasing policy notice:* All users of the software are expected to
// purchase a license from Teddy Wing unless they have a good reason not to
// pay. Users who can't purchase a license may apply to receive one for free
// at inquiry@domekey.teddywing.com. Users are free to:
//
// * download, build, and modify the app;
// * share the modified source code;
// * share the purchased or custom-built binaries (with unmodified license
// and contact info), provided that the purchasing policy is explained to
// all potential users.
//
// This software is available under a modified version of the Open Community
// Indie Software License:
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose is hereby granted, subject to the following conditions:
//
// * all copies retain the above copyright notice, the above purchasing
// policy notice and this permission notice unmodified;
//
// * all copies retain the name of the software (DomeKey), the name of the
// author (Teddy Wing), and contact information (including, but not limited
// to, inquiry@domekey.teddywing.com, and domekey.teddywing.com URLs)
// unmodified;
//
// * no fee is charged for distribution of the software;
//
// * the best effort is made to explain the purchasing policy to all users of
// the software.
//
// THE SOFTWARE IS PROVIDED "AS IS", AND THE AUTHOR AND COPYRIGHT HOLDERS
// DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD TO THIS SOFTWARE,
// INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
// DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER
// IN AN ACTION OF CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING
// OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use std::env;
use std::ffi::OsString;
use std::process::Command;
use {Action, HeadphoneButton, MapAction, MapKind};
use errors::*;
use ffi::State;
#[repr(C)]
pub enum ModeChange {
Activated,
Deactivated,
}
pub fn run_key_action<'a>(
state: &mut State,
trigger: &'a [HeadphoneButton],
on_mode_change: extern "C" fn(mode_change: ModeChange),
) -> Result<()> {
match state.map_group {
Some(ref map_group) => {
let map = map_group.maps.get(trigger);
let mode = map_group.modes.get(trigger);
if let Some(in_mode) = state.in_mode.clone() {
if let Some(mode) = map_group.modes.get(&in_mode) {
// Deactivate mode by pressing current mode trigger
if &in_mode[..] == trigger {
state.in_mode = None;
on_mode_change(ModeChange::Deactivated);
return Ok(());
}
if let Some(map) = mode.get(trigger) {
run_action(&map)?;
}
}
}
if state.in_mode.is_none() {
if let Some(map) = map {
run_action(&map)?;
}
}
if mode.is_some() {
state.in_mode = Some(trigger.to_vec());
on_mode_change(ModeChange::Activated);
}
},
None => (),
};
Ok(())
}
fn run_action(map_action: &MapAction) -> Result<()> {
match map_action.kind {
MapKind::Map => {
if let Action::Map(action) = &map_action.action {
for key in action {
key.tap()
}
}
},
MapKind::Command => {
if let Action::String(action) = &map_action.action {
let shell = match env::var_os("SHELL") {
Some(s) => s,
None => OsString::from("/bin/sh"),
};
return Command::new(shell)
.arg("-c")
.arg(action)
.spawn()
.map(|_| ())
.chain_err(|| "command failed to start");
}
},
};
Ok(())
}
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